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On September 16, 2016, the U.S. Environmental Protection Agency (EPA) announced it settled an enforcement matter with Syngenta Crop Protection, LLC (Syngenta or Respondent) via a Consent Agreement and Final Order (CAFO) concerning EPA’s allegations that Syngenta violated the Federal Insecticide, Fungicide, and Rodenticide Act (FIFRA) and EPA’s Pesticide Container and Containment Rule (PCCR). The investigation took place over three years, starting in August 2012 and concluding in January 2015. The...

Trenbolone acetate (TBA) metabolites are endocrine active contaminants discharged into the aquatic environment in runoff from agricultural fields, rangelands, and concentrated animal feeding operations (CAFOs). To investigate the environmental fate of these compounds and their biotransformation mechanisms, we used inocula from a variety of different water sources and dosed biologically active microcosms with ~1,400 ng/L of TBA metabolites, including 17β‐trenbolone (17β‐TBOH), trendione (TBO), and 17α‐trenbolone...

Are you getting a scale build up in your recirculation system from your manure holding ponds (lagoons)? Is it calcium carbonate or struvite (magnesium-ammonia-phosphate) crystals? In some CAFO sites, they will use anaerobic lagoons to reduce the amount of manure that they need to treat. In a zero oxygen environment the anaerobic bacteria will take the manure which is loaded with nutrients and further digest it to generate methane, hydrogen sulfide, ammonia, phosphate and other mineral salts (calcium and magnesium)....

CAFOs (Confined Animal Feeding Operations) face struvite in their manure holding ponds and manure lagoons, as well as their recirculation systems. On a dairy farm in Neb. that operated with 15,000 milking cows, they were generating 500,000 gal per day of wastewater laden with manure. Over the summer, they noticed a reduction in their pumping capacity because the first lagoon was filling faster than they could pump. On a closer examination, they found scale. JS 9325 in this specific case is used both in struvite...

Water pollution from the land application of manure has been cited as an issue that needs to be addressed. Judicial challenges have forced the US Environmental Protection Agency (EPA) to adopt additional controls governing concentrated animal feeding operations (CAFOs). State agencies have also been directed to do more to minimize the risk of pollution from animal production. In developing appropriate controls, regulatory agencies have distinguished animal production facilities based on size and on whether they...

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